This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Yes.

Proverbs 17:22 View context

A merry heart doeth good [like] a medicine: but a broken spirit drieth the bones.

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Ecclesiastes 8:15 View context

Then I commended mirth, because a man hath no better thing under the sun, than to eat, and to drink, and to be merry: for that shall abide with him of his labour the days of his life, which God giveth him under the sun.

No.

Ecclesiastes 7:3-4 View context

Sorrow [is] better than laughter: for by the sadness of the countenance the heart is made better.

The heart of the wise [is] in the house of mourning; but the heart of fools [is] in the house of mirth.

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Luke 6:25 View context

Woe unto you that are full! for ye shall hunger. Woe unto you that laugh now! for ye shall mourn and weep.